18428065

素因数分解:

$5^1\times {\mathrm{41}}^1\times {\mathrm{241}}^1\times {\mathrm{373}}^1$

素因数の和:660

約数の個数: 16

約数和(自身を含む): 22808016

約数和(自身を除く): 4379951

約数列:

[1, 5, 41, 205, 241, 373, 1205, 1865, 9881, 15293, 49405, 76465, 89893, 449465, 3685613, 18428065]

約数ペア:

[(1, 18428065), (5, 3685613), (41, 449465), (205, 89893), (241, 76465), (373, 49405), (1205, 15293), (1865, 9881)]